GeForce GTX 580 Gigabyte UD rev 1.0 Edition is a special edition of the powerful GeForce GTX 580. The differences include an increase in the core-clock that went from 772MHz to 795MHz and a better cooling system called GIGABYTE WINDFORCE 3X with vapor chamber anti-turblence. Benchmarks indicate a performance boost of about 1.5% when compared to the standard GeForce GTX 580.